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#ifndef CONVOLUTIONPAGE_H
#define CONVOLUTIONPAGE_H

#include <QtGui/QWizardPage>

#include "image.h"

QT_BEGIN_NAMESPACE
class QAction;
class QActionGroup;
class QMenu;
QT_END_NAMESPACE

class ConvolutionModel;
class ConvolutionFactory;
class ImageView;

/**
 * Convolution widget
 */
class ConvolutionPage : public QWizardPage
{
    Q_OBJECT

public:

    /**
     * Default constructor
     * @param model model
     */
    ConvolutionPage(ConvolutionModel &model, QWidget *parent = 0);

signals:

    /**
     * Emits when image is convolved
     * @param convolvedImage convolved image
     */
    void imageConvolved(GrayscaleImage convolvedImage);

public slots:

    /**
     * Opens image
     */
    void openImage();

    /**
     * Convolves image
     */
    void convolveImage();

    /**
     * Shows information about convolution
     */
    void about();

protected:

    /**
     * Initialize page
     */
    virtual void initializePage();

    /**
     * Context menu handler
     */
    virtual void contextMenuEvent(QContextMenuEvent *event);

private:

    /**
     * Creates actions
     */
    void createActions();

    /**
     * Open action
     */
    QAction *openAct;

    /**
     * Convolve action
     */
    QAction *convolveAct;

    /**
     * About action
     */
    QAction *aboutAct;

    /**
     * Source view
     */
    ImageView *sourceView;

    /**
     * Convoluted view
     */
    ImageView *convolView;

    /**
     * Convolution factory
     */
    ConvolutionFactory *factory;

    /**
     * Convolution model
     */
    ConvolutionModel &_model;

};

#endif
